Africa vs Republic of the Congo

Africa and Republic of the Congo both are nouns.

Word	Noun	Adjective	Verb	Adverb
Africa	Yes	No	No	No
Republic of the Congo	Yes	No	No	No

Africa (noun)	Republic of the Congo (noun)
the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean	a republic in west-central Africa; achieved independence from France in 1960